Custom Tuning Solution Back Catalog number: 50589 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95698 Crude Oil Standard n-Hydrocarbons C5-C9 Price on request 9060.7-K-IP Tetrachloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2539-17-5 Price on request HXCB Hexachlorobenzene, 1.2mL x 100ug/mL, nonane Price on request